Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guetersloh-marketing.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 12:28:33 UTC · ↺ Refresh
MX Hostnames
- gueterslohmarketing-de02e.mail.protection.outlook.com
MX Priorities
- gueterslohmarketing-de02e.mail.protection.outlook.com: 10
A / AAAA Records
- 91.221.204.40 (no PTR)
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.fhd.de dom-adm.fhd.de 2026032003 86400 7200 2419200 300
Primary NS (mname)
dns1.fhd.de
Admin Email (rname)
dom-adm@fhd.de
Serial
2026032003
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
dns2.fhd.de
dns1.fhd.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.100.49.254 include:spf.protection.outlook.com include:spf.fhd.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms15006301
- SPFv=spf1 ip4:212.100.49.254 include:spf.protection.outlook.com include:spf.fhd.de -all
- hosted by Franke & Partner GbR
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